A 1900 strike of employees of one of these systems in St. Louis was dubbed "the fiercest struggle ever waged by the organized toilers" by Samuel Gompers. NCL and its subsidiary PCL were formed to buy these systems across the U.S., leading to antitrust fines in 1949. Shaker Heights (10[1])in Cleveland and Sommerville in Boston are examples of suburbs named for their development around (10[1])these systems. Charles Tyson Yerkes operated one of these systems in northern Chicago. Conspiracies surrounding the end of one of these systems in Los Angeles, which was once the largest in the world, (10[1])inspired part of Judge Doom's plot (10[1])in the film Who Framed Roger Rabbit. (0[1]-5[1])San Francisco (10[1]-5[1])runs the last manually operated one of these electrified transportation (10[1])systems (10[1])in the world. For 10 points, name these city street level mass transit systems that run on rails. ■END■ (0[1])